In contrast, pain coping and quality of life were significantly worse.

The team found hypersensitivity to rectal distention occurred in 33% of patients and was associated with increased symptom severity.

Hypersensitivity to rectal distention was not associated with demographic characteristics or psychological disturbances.

Dr van der Veek's team concluded, "Hypersensitivity to balloon distention occurs in 33% of irritable bowel syndrome patients and is predicted by symptom severity but not by psychological or demographic characteristics."